STC Development

flat floor modification ERJ 145

C&L Engineering Services offers Supplemental Type Certificate (STC) Development in accordance with the FAA.   

The STC Development process covers structural drawings for the installation of antennas and associated LRUs as well as electrical wiring diagrams for installations and modifications of EFIS to IFE. 

We also provide documentation for Electrical Load Analysis, ICA, AFMS, and more. Further, we provide 8110-3 approval for all data as required.  

List of aircraft and helicopters we work with: 

  • Bombardier Challenger Series
  • Cessna (single and twin-engine) 
  • Cessna Citations 
  • Beechcraft King Air Series
  • Bell Helicopters 
  • Kaman Helicopters 
  • Boeing 737 
  • Mitsubishi MU-2B, MU-300
  • Piaggio P-180 
  • De Havilland DHC-7, DHC-8
  • Embraer Series 
  • Fairchild Swearingen Series
  • Falcon 10, 20, 50, 900, 2000
  • Gulfstream Series
  • Hawker Series 
  • Learjet Series 
  • North American/Rockwell
  • Saab 340, 2000

Check out our recent STC certification flight for an ADS-B Out system for the Saab 340B Aircraft

Learn more about the STC process

STC process

Contact C&L Aviation Group

We are happy to answer your questions. Contact us using the form below, and someone will get back to you as soon as possible.